Тhe case of the silver earring

Sherlock Holmes woke up from a phone call. He picked up the phone and heard a familiar voice. It was Watson. He said Sherlock from the fact that they now invited to work in a very noble house. The hostess had lost its emerald earrings and can not find it. She is very upset and asks for help detectives! Help the detectives in the lung are not search! Find the differences in the pictures and there will earring!